KR101580899B1 - A noise reduction rainwater pipe - Google Patents

A noise reduction rainwater pipe Download PDF

Info

Publication number
KR101580899B1
KR101580899B1 KR1020150145625A KR20150145625A KR101580899B1 KR 101580899 B1 KR101580899 B1 KR 101580899B1 KR 1020150145625 A KR1020150145625 A KR 1020150145625A KR 20150145625 A KR20150145625 A KR 20150145625A KR 101580899 B1 KR101580899 B1 KR 101580899B1
Authority
KR
South Korea
Prior art keywords
noise reduction
groove
reduction filter
tube
tubular body
Prior art date
Application number
KR1020150145625A
Other languages
Korean (ko)
Inventor
정지홍
Original Assignee
주식회사 혜원까치종합건축사사무소
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 혜원까치종합건축사사무소 filed Critical 주식회사 혜원까치종합건축사사무소
Priority to KR1020150145625A priority Critical patent/KR101580899B1/en
Application granted granted Critical
Publication of KR101580899B1 publication Critical patent/KR101580899B1/en

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/04Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/08Down pipes; Special clamping means therefor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F17/00Vertical ducts; Channels, e.g. for drainage
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02Energy absorbers; Noise absorbers
    • F16L55/033Noise absorbers

Abstract

The present invention relates to a noise reducing rainwater pipe and, more specifically, to a noise reducing rainwater pipe, capable of grinding particles of raindrops, falling down through a duct of a pipe, by installing multiple noise reducing filters including a grinding mesh in the pipe; and reducing the noise of the raindrops by reducing a falling speed of the raindrops. To achieve the purpose, the rainwater pipe includes the pipe to discharge rainwater in the rooftop of a high-rise building by being installed in a vertical direction of the building. Multiple noise reducing filters are installed in the duct of the pipe in the vertical direction of the duct but the noise reducing filters include the grinding mesh to grind the particles when the raindrops are passing through the mesh. The noise reducing filters are inclined in the vertical direction of the duct but alternatively inclined in the opposite direction.

Description

{A noise reduction rainwater pipe}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a noise reduction tapered pipe, and more particularly, to a noise reduction tapered pipe in which noise is reduced by crushing the particles of the water drops and lowering the falling speed of the drops.

In multi-family houses and apartments that are living together, the interlayer noise problem becomes a social issue, and the emphasis is on minimizing the artificial interlayer noise such as the sound of children running upstairs, the sound of piano playing, and the sound of moving objects It is being designed.

However, since there is no function to prevent natural noise due to falling water generated through the tube of the apartment, rather than an artificial noise as described above, when the falling noise continuously occurs at night, it causes discomfort and discomfort There was a problem.

In the case of a high-rise apartment building, the height of the building is high, so that the speed of the water falling along the water pipe is high, and the noise generated when the water hits the inside of the canal pipe The size is also significant.

In particular, as shown in Fig. 1, the gutter tube 10 has a smooth inner circumferential surface, and since there is no resistor in the gutter tube 10, the speed of water dropped through the gutter tube is considerable, and the gutter tube 10 is curved or T- There is a problem that the noise collides with the inner circumferential surface of the exhaust pipe 10 in the frontal direction.

Korea public number 10-2011-0103818

SUMMARY OF THE INVENTION It is an object of the present invention to provide a noise reduction structure of a bell pipe capable of reducing the speed and particles of dripping water dropped through a bell pipe to reduce noise caused by dripping water .

In order to achieve the above object, according to the present invention, there is provided a gut pipe comprising a tubular body installed in a height direction of a high-rise apartment house to drain rainwater on a roof, wherein a plurality of noise reduction filters Wherein the noise reduction filter includes a mesh in which particles are crushed in the process of colliding with the impurities, and the noise reduction filter is provided so as to be inclined in the height direction of the channel, Thereby providing a noise reducing abatement tube.

At this time, it is preferable that the tubular body is formed with an inclined groove communicating with the inside of the tubular body, and the noise reduction filter is inserted into the inclined groove and positioned in the tubular channel.

At this time, it is preferable that a metal is installed on one of the rim of the noise reduction filter and the step forming the inclined groove, and the other is a metal detachably attached to the magnet.

The tubular body includes a slide groove formed on both sides of the inclined groove in an oblique direction, an insertion groove formed in an inner circumferential surface of the inclined groove to insert the end of the noise reduction filter, and a fixing groove formed on both sides of the outer circumferential surface of the tube, Wherein the noise reduction filter comprises a support frame provided with a crushing net at a rim and corresponding to the inclined grooves of the gutter tube, projecting from both side surfaces of the support frame, and guiding the support frame along the slide groove A slide protrusion, a cover part provided at one end of the support frame, a cover part formed at one end of the cover part and hinged to both ends of the cover part to rotate toward the outer circumferential surface of the tube body, And a fixed arm to be combined.

At this time, it is preferable that a ball spring is provided on the upper portion of the insertion groove, and a seating groove is formed on the upper surface of the other end of the support frame corresponding to the ball spring.

The noise reduction reduction pipe according to the present invention has the following effects.

First, since a mesh type noise reduction filter is provided inside the gutter tube to correspond to the inner diameter of the gutter tube, the water drained through the gutter tube necessarily becomes smaller as the water passes through the noise filter.

Accordingly, even when the drowning object hits the inner peripheral surface of the brewing pipe, the size of the noise caused by the drowning object can be reduced.

In this case, a plurality of noise reduction filters are provided in the longitudinal direction of the excellent pipe, but the filter is sloped to maximize the resistance to the speed of the water drops.

That is, since the dripping water falling through the gutter is dropped while bumping against several noise reduction filters, the speed of the dripping water is reduced, so that even when the dripping water hits the inside of the gutter, the noise can be reduced in size.

Fig. 1 is a perspective view showing a main part of a tube according to the prior art; Fig.
Fig. 2 is a perspective view showing a noise reduction reduction pipe according to the first embodiment of the present invention. Fig.
Fig. 3 is an exploded perspective view showing a noise reduction reduction pipe according to a second embodiment of the present invention. Fig.
4 is a cross-sectional view showing a noise reduction reduction pipe according to a second embodiment of the present invention
5 is a side view showing an outer circumferential surface of the noise reduction enhancing tube according to the second embodiment of the present invention
6 is a perspective view illustrating a noise reduction filter of a noise reduction reduction pipe according to a third embodiment of the present invention.
7A is a plan view showing a noise reduction filter of a noise reduction reduction pipe according to a third embodiment of the present invention.
FIG. 7B is a cross-sectional view showing a tube of the noise reduction reduction pipe according to the third embodiment of the present invention. FIG.
7C is a cross-sectional view illustrating a state where a noise reduction filter is inserted into a tube of a noise reduction reduction pipe according to a third embodiment of the present invention.
8 is a side cross-sectional view showing a substantial part of a noise reduction reduction pipe according to a third embodiment of the present invention.

It is to be understood that the words or words used in the present specification and claims are not to be construed in a conventional or dictionary sense and that the inventor can properly define the concept of a term in order to describe its invention in the best possible way And should be construed in light of the meanings and concepts consistent with the technical idea of the present invention.

The noise reduction abatement pipe according to the present invention is a technique in which a noise reduction filter composed of a mesh is installed in a plurality of pipes inside a tube to crush the particles of the water drops and reduce the dropping speed of the drops to reduce the noise caused by the contact between the tube and the water drops Feature.

As the noise generated from the excellent tube is reduced, it is possible to reduce living noise in the house and provide a comfortable environment.

Hereinafter, a noise reduction reduction pipe according to a first embodiment of the present invention will be described with reference to FIG.

The noise reduction abatement tube comprises a tube 100 and a noise reduction filter 200.

The tubular body 100 forms an appearance of a bell pipe and is formed of a pipe.

The tubular body 100 is connected to the sewer pipe from the roof of the high-rise apartment house, and its material is usually made of PVC.

The gutter tube is composed of a plurality of tubes 100 according to the height of the apartment house, and is configured to be connected at predetermined intervals through connecting members (not shown).

Next, the noise reduction filter 200 reduces the speed of the dripping water dropped through the tubular body 100 and crushes particles of the dripping water to reduce noises caused by dripping water.

The noise reduction filter 200 includes a crushing mesh 210 and is preferably provided in plurality in the height direction of the tube 100.

At this time, the noise reduction filter 200 is formed to be inclined on the channel of the tube 100 as shown in FIG.

This is to alleviate the impact of the drips on the crushing net 210.

In addition, the noise reduction filter 200 may be inclined, alternating with each other, and inclined toward the opposite direction.

Accordingly, it is possible to reduce the descent rate of the dripping water as well as the dripping water.

In the meantime, the tube 100 and the noise reduction filter 200 are formed integrally with each other according to the first embodiment of the present invention.

In this way, the noise reduction filter 200, which is inclined in the other direction alternately and mutually alternately, is installed in the tubular body 100, so that the drops falling on the duct of the tubular body 100 are reduced in size through the crushing net 210 In addition, since the falling speed is reduced by passing through the plurality of noise reduction filters 200, it is possible to reduce noises caused by the damages.

Meanwhile, the noise reduction filter 200 may be configured to be detachable to the tubular body.

This is shown as a second embodiment of the present invention and will be described with reference to FIGS. 3 to 5 attached hereto.

The noise reduction glow tube according to the second embodiment of the present invention has a technical feature that the noise reduction filter can be detached from the outside of the tube body.

Accordingly, maintenance of the noise reduction filter can be facilitated.

The noise reduction abatement tube comprises a tube 100 and a noise reduction filter 200.

The tubular body (100) constitutes the appearance of the gutter, and forms a channel through which the water drops fall.

At this time, an inclined groove 110 through which the inside and the outside of the tube 100 communicate is formed around the tube 100.

The inclined groove 110 is a portion into which the noise reduction filter 200 is inserted so that the noise reduction filter 200 is positioned in the channel of the tube 100 and a part of the tube 100 is formed by being cut.

At this time, the inclined grooves 110 are sloped from one side to the other side with respect to the vertical state of the tube 100 so that the noise reduction filter 2000 can be positioned on the channel of the tube 100.

The inclined grooves 110 are formed in different directions alternating with each other in the height direction of the tube 100.

At this time, an insertion groove 120 is formed on the inner circumferential surface of the tubular body 100 on the end side of the inclined groove 110, as shown in FIG.

The insertion groove 120 has a structure in which an end portion of the noise reduction filter 200 can be inserted and supported.

5, a plurality of the inclined grooves 110 are formed in the height direction of the tube 100, and the intervals of the inclined grooves 110 are preferably equal.

Next, the noise reduction filter 200 serves to crush the particles of the dripping water dropped onto the pipeline of the tubular body 100 and reduce the dropping speed of the dripping water.

The noise reduction filter 200 enters and exits the channel 100 of the tubular body 100 through the inclined grooves 110, and its shape corresponds to the inclined grooves 110.

The noise reduction filter 200 includes a crushing net 210 corresponding to the inner diameter of the tube 100 and the rim 220 of the noise reduction filter 200 is formed in a step 130 forming the inclined groove 110 Lt; / RTI >

The detachment means 300 removes the noise reduction filter 200 from the tubular body 100 by using magnetic force. The detachment means 300 removes the noise reduction filter 200 from the tubular body 100 by using the magnetic force.

3 and 4, the magnet 310 is installed in any one of the rim 220 of the noise reduction filter 200 and the step 130 of the tube 100 forming the inclined groove 110, And a metal 320 corresponding to the magnet 310 is installed in the other.

For convenience of explanation, the magnet 310 is provided in the step 130 and the metal 320 is provided in the rim 220 as an example.

The magnet 310 and the metal 320 are preferably provided along a circumference of the rim 220 and the step 130 of the noise reduction filter 200.

Hereinafter, the operation of the noise canceling filter 200 being detached from the tube 100 having the above-described structure will be described.

The noise reduction filter 200 is inserted through the inclined grooves 110 into the channel of the tube 100.

At this time, the rim 220 of the noise reduction filter 200 and the step 130 of the inclined groove 110 are attached to each other by the magnetic force.

As described above, since the noise reduction filter 200 is detachably installed inside the tubular body 100, it is possible to improve the maintenance convenience for the noise reduction filter 200.

That is, if necessary, the noise reduction filter 200 can be separated from the tubular body 100 to remove the foreign matter filtered by the crushing net 210. After a long period of time, the noise reduction filter 200 can be easily replaced It can be done.

Meanwhile, a structure for further strengthening the coupling force of the noise reduction filter with respect to the tubular body can be provided, which will be described as a third embodiment of the present invention and will be described with reference to FIGS. 6 to 8 attached hereto.

The Noise Reduction Tube according to the third embodiment includes a tube 100 and a noise reduction filter 400.

The tube 100 forms an inclined groove 110 and a slide groove 140 is formed on an inner peripheral surface of the tube 100 constituting the inclined groove 110.

At this time, the cross-sectional shape of the channel in which the inclined grooves 110 are formed is not a circular shape, but a straight line portion 150 having both sides parallel to each other is formed, and the slide groove 140 is formed in the straight line portion 150.

An insertion groove 120 is formed in the inner circumferential surface of the end portion-side tube 100 of the inclined groove 110.

The insertion groove 120 is a portion where the end of the noise reduction filter 300 is inserted and supported.

At this time, a ball spring 160 elastically supported toward the insertion groove 120 is provided at the upper portion of the insertion groove 120.

The ball spring 160 is seated in a seating groove of a support frame to be described later and serves to guide the position of the support frame.

On both sides of the outer circumferential surface of the tubular body 100, fixing grooves 170 in the form of concave grooves are formed.

The fixing groove 170 is configured to engage with the fixing protrusion of the fixing arm described later.

Next, the noise reduction filter 400 reduces the noise of the drops falling through the pipeline of the tube 100, and is detached to the pipeline of the tube 100.

The noise reduction filter 400 includes a support frame 410, a slide protrusion 420, a cover portion 430, and a fixed arm 440, as shown in Figs. 6 and 7A.

The supporting frame 410 has a grinding net 411 and is attached to the tubular body 100 while being slid through the slide groove 140 of the tubular body 100.

At this time, on the upper surface of the end portion of the support frame 410, a seating groove 412 having a groove shape opened upward is formed.

Here, the end of the support frame 410 refers to a portion corresponding to the insertion groove 120 of the tube 100.

As described above, the seating groove 412 is a portion where the ball spring 160 is seated and serves to guide the position of the support frame 410 on the pipeline of the tubular body together with the ball spring 160.

The slide protrusions 420 serve to guide the support frame 410 to the channel and protrude outward from both sides of the support frame 410.

The slide protrusion 420 corresponds to the slide groove 140 formed in the tube 100.

The cover unit 430 closes the support frame 410 inserted into the channel of the tubular body 100 and allows the user to easily grasp the support frame 410.

A handle groove 431 is formed in the cover part 430. The handle groove 431 is preferably formed in the shape of a groove opened upward or downward from the front surface of the cover part 430 so as to be easily grasped by a user Do.

The fixed arm 440 serves to fix the noise reduction filter 200 located in the channel, and is composed of a pair of hinges connected to both sides of the cover 430.

The fixing arm 440 has a curvature corresponding to the curvature of the tube 100, and fixing projections 441 are formed at both ends thereof.

The fixing protrusions 441 are fitted into the fixing grooves 170 formed on the outer circumferential surface of the tube 100.

Hereinafter, an operation in which the noise reduction filter of the noise reduction reducing pipe having the above-described configuration is detached will be described.

An inclined groove 110 is formed in the tube 100 and the user inserts the noise reduction filter 400 into the tube 100 through the inclined groove 110.

The slide protrusion 420 of the support frame 410 is guided along the slide groove 140 of the tube 100 and the end of the support frame 410 is inserted into the insertion groove 120 formed in the inner circumferential surface of the tube 100, .

At this time, the ball spring 160 provided at the upper portion of the insertion groove 120 is resiliently supported in the seating groove 412, so that the user can know whether the supporting frame 410 is accurately positioned on the channel.

The cover 430 is closely attached to the outer circumferential surface of the tube 100 to close the inclined groove 110.

Next, the user rotates the fixed arm 440 to closely contact the outer circumferential surface of the tubular body 100, and fixes the fixing protrusion 441 of the fixing arm 440 to the fixing groove 170 of the tubular body 100.

Thereby, the coupling of the noise reduction filter 400 to the tube 100 of the excellent tube is completed.

Meanwhile, in order to replace or repair the noise reduction filter 400, the fixing protrusion 441 fitted to the outer peripheral surface of the tube 100 is separated.

Next, the gripper groove 431 of the cover portion 430 is gripped, and when the support frame 410 is pulled, the ball spring 160 elastically supported in the mounting groove 412 is contracted upward, Thereby releasing the constraint on the frame 410.

The slide protrusion 420 of the support frame 410 is guided along the slide groove 140 and separated to the outside of the tube 100.

As described above, the noise reduction trough according to the present invention has a technical feature that the noise reduction filter including the crushing net is installed inside the tube.

Accordingly, the drops falling through the pipe of the tubular body are crushed while passing through the crushing net, and the falling speed of the particles is reduced as a plurality of noise reduction filters installed along the pipeline pass through the pipeline, so that even if they collide with the inner peripheral surface of the tubular body, The noise is greatly reduced.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art.

100: tube body 110: inclined groove
120: insertion groove 130: step
140: slide groove 150:
160: Ball spring 170: Fixing groove
200, 400: Noise reduction filter 210, 411:
220: rim 300: removable means
310: magnet 320: metal
410: Support frame 412:
420: slide protrusion 430: cover part
440: Fixing arm 441: Fixing projection

Claims (5)

The present invention relates to a high-rise apartment house including a tubular body installed in a height direction of a high-rise apartment house for draining rainwater on a roof,
Wherein a plurality of noise reduction filters are installed in a pipeline of the tubular body in a height direction of the duct,
The noise reduction filter includes a mesh in which particles are crushed in the course of collision with the crushed water,
Wherein the noise reduction filter is provided so as to be inclined in the height direction of the duct, and is alternately inclined in the opposite direction.
The method according to claim 1,
Wherein the tubular body is formed with an inclined groove communicating with the inside of the tubular body, and the noise reduction filter is fitted to the inclined groove and is located in the tubular duct.
3. The method of claim 2,
Wherein a metal is attached to either one of the rim of the noise reduction filter and the step of forming the inclined groove and the other of which is detachably attached to the magnet.
The method according to claim 2 or 3,
The tubular body,
Slide grooves formed on both sides of the inclined grooves in an oblique direction;
An insertion groove formed in the inner peripheral surface of the end portion of the inclined groove so as to insert an end of the noise reduction filter;
And fixing grooves formed on both sides of the outer circumferential surface of the tubular body,
Wherein the noise reduction filter comprises:
A supporting frame having a rim corresponding to the inclined grooves of the excellent tube and having a crushing net at its rim;
A slide projection projecting from both side surfaces of the support frame and guiding the support frame along the slide groove;
A cover part provided at one end of the support frame and formed with a handle groove;
And a fixing arm hinged to both end portions of the cover portion to be pivoted toward the outer peripheral surface of the tube body and having fixing protrusions formed at both ends thereof to be fitted into the fixing grooves.
5. The method of claim 4,
A ball spring is installed on the upper portion of the insertion groove,
And a seating groove is formed on the upper surface of the other end of the support frame corresponding to the ball spring.





KR1020150145625A 2015-10-19 2015-10-19 A noise reduction rainwater pipe KR101580899B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150145625A KR101580899B1 (en) 2015-10-19 2015-10-19 A noise reduction rainwater pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150145625A KR101580899B1 (en) 2015-10-19 2015-10-19 A noise reduction rainwater pipe

Publications (1)

Publication Number Publication Date
KR101580899B1 true KR101580899B1 (en) 2015-12-31

Family

ID=55129137

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150145625A KR101580899B1 (en) 2015-10-19 2015-10-19 A noise reduction rainwater pipe

Country Status (1)

Country Link
KR (1) KR101580899B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190099944A (en) 2018-02-20 2019-08-28 서윤성 Multipurpose storm water drain device for apartment house
KR102177836B1 (en) * 2020-08-25 2020-11-11 주식회사 동우 이앤씨 Method for constructing rain gutter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200331009Y1 (en) * 2003-07-29 2003-10-22 이미자 A drain trap for washstand
KR20040080810A (en) * 2003-03-13 2004-09-20 엘지전자 주식회사 A duct type air-conditioner
KR200368178Y1 (en) * 2004-08-16 2004-11-17 김양기 Noiseproof pipe inserted into watershoot
KR20110103818A (en) 2010-03-15 2011-09-21 김부연 Soundproof pvc drainpipe
KR101526560B1 (en) * 2014-01-10 2015-06-04 (주)엠이씨 Pressure of Water Using Air Supply Device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040080810A (en) * 2003-03-13 2004-09-20 엘지전자 주식회사 A duct type air-conditioner
KR200331009Y1 (en) * 2003-07-29 2003-10-22 이미자 A drain trap for washstand
KR200368178Y1 (en) * 2004-08-16 2004-11-17 김양기 Noiseproof pipe inserted into watershoot
KR20110103818A (en) 2010-03-15 2011-09-21 김부연 Soundproof pvc drainpipe
KR101526560B1 (en) * 2014-01-10 2015-06-04 (주)엠이씨 Pressure of Water Using Air Supply Device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190099944A (en) 2018-02-20 2019-08-28 서윤성 Multipurpose storm water drain device for apartment house
KR102177836B1 (en) * 2020-08-25 2020-11-11 주식회사 동우 이앤씨 Method for constructing rain gutter

Similar Documents

Publication Publication Date Title
KR101580899B1 (en) A noise reduction rainwater pipe
KR200447850Y1 (en) Draintrap for swiftness drain
CN110700387A (en) Noise reduction type building indoor floor drain based on fan-shaped diversion
PL2009187T3 (en) Sanitary facility with a floor drain and method for assembling such a sanitary facility
CN109281368A (en) Flush toilet
RU172881U1 (en) HOOKAH
CN116695854A (en) Hinder deodorant integrated floor drain mould of hair
JP2008255598A (en) Perforated plate member
US20100188859A1 (en) Reflecting assembly of a simulated fireplace
JP4502205B2 (en) Dust removal device for discharge pipe
CN110747973A (en) Floor drain for filtering hair
CN207553226U (en) A kind of push type outlet device
FR2741425A1 (en) Ventilation and air cooling for pig rearing building
CN202850140U (en) Water-draining and unblocking separation elbow of storied house
CN204561838U (en) Be provided with the water dispenser of ratguard
JP5894229B2 (en) Drainage fitting structure and adjustment ring
CN209234700U (en) Fish jar overflow mechanism and Fishbowl device
KR101599993B1 (en) A rainwater pipe for preventing noise and freeze.
CN109907709A (en) The kitchen tools that a kind of sink and dish-washing machine combine
CN208687926U (en) Blast cap outside new blower intake stack room
CN207295879U (en) One kind can in-wall hand basin
KR101649283B1 (en) Drainpipe linker which is set up easily
CN207455036U (en) A kind of pipe muffler
CN217175066U (en) Odor-purifying and deodorizing type sewage pipe capable of preventing sewage from returning
CN109958166A (en) A kind of family kitchen wastewater treatment equipment

Legal Events

Date Code Title Description
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20181015

Year of fee payment: 4